{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["enabling technology", "machine or equipment", "process characterization", "manufacturing process", "manufacturing standard"], "input": "All these need to be carefully studied before AM materials can be released to the market ."}
{"enabling technology": [], "machine or equipment": [], "process characterization": [], "manufacturing process": [], "manufacturing standard": []}